The £16m deal covers early-stage design and planning for nitrogen discount works at Portswood WwTW close to Southampton and the set up of UV disinfection at Thornham WwTW close to Havant.
At Portswood, Kier will develop options to fulfill a brand new nitrogen discharge restrict of 9mg/l by 2030, working inside tight website constraints by repurposing current infrastructure and increasing sludge and tertiary therapy.
At Thornham, a UV disinfection system can be put in to enhance shellfish water high quality by 2027, with longer-term plans to broaden capability for inhabitants development – together with the choice to change to an activated sludge course of and construct new property south of the positioning.
The schemes purpose to strengthen resilience, help regulatory compliance and improve environmental efficiency, constructing on Kier’s rising water sector portfolio with latest wins at Severn Trent, Anglian Water and Wessex Water.
